Credit: ROLAND GROSS/SCIENCE PHOTO LIBRARY

Caption: Vorticella. Light microscope footage of numerous Vorticella sp. ciliate protozoans (white) attached to a green plant stalk. These filter-feeding freshwater protozoa each consists of a bell-shaped head and a contractile stalk that is anchored to the substrate. When disturbed, the stalk is contracted in a protective motion. Cilia (tiny hair-like structures) attached to the head are used to capture food and also for movement. Vorticella live in both marine and freshwater environments, and feed on microscopic algae, bacteria and other aquatic material.

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Keywords: 10 seconds or greater, aquatic, biological, biology, black background, cell, cilia, ciliate, ciliophora, colony, darkfield illumination, eukaryote, fauna, feeding, filter feeder, filter feeding, invertebrate, invertebrates, light, light microscope, light microscopy, lm, many, micro-organism, micro-organisms, microbiological, microbiology, microorganism, microorganisms, microscope, microscopic, multiple, nature, no-one, nobody, numerous, peritrich, peritrichia, plant, protist, protozoa, protozoan, sessile, single celled, single-celled, stalk, underwater, unicellular, vorticella, vorticella sp, vorticellidae, water, wildlife, zoological, zoology

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Vorticella colony on plant stalk

K005/6525 Rights Managed

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Duration: 00:00:18.17

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 535.1M

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Codec: H.264

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